- Prof and university employee get into a heated discussion.
- Prof punches employee. In the face.
- Employee files charges of assault.
- Police come and bust the professor.
UPDATE 1: For an amusing thought-experiment, speculate on what kind of media and commentator reaction you might predict with various permutations of who in the situation is victim, aggressor, black, white, male, and female.
UPDATE 2: Here's an interesting comment.